Mersen 62051 - Fuse Block 600VAC 600VDC Class H/K 200A 1-Pole Copper Box Side Clip
Mersen

62051

Alternate Item Number: 62051

UPC: 782001759476


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Overview

The Mersen 62051 is a 200A, 1-pole Class H/K fuse block designed for 600VAC/600VDC applications, featuring copper box side clip connectors for 350kcmil to #6 AWG copper wire. This UL-listed and CSA-certified fuse block meets or exceeds OEM specifications with copper-compatible design for improved heat cycling and thermal stability. The phenolic insulator provides dielectric strength exceeding 2500V, ensuring reliable electrical isolation in industrial environments. Compatible with Class H and K 250V/600V power fuses, the 62051 is engineered for compatibility with stranded or solid copper conductors only, eliminating aluminum wire concerns. With a recommended mounting torque of 275 in-lb and #10 (.190" dia.) screws for 1-pole configurations, this fuse block delivers robust performance in power distribution systems. The 62051 is ideal for panelboards, motor control centers, and industrial machinery requiring high-current fuse protection. Its copper box side clip design ensures secure connections, while the phenolic insulator maintains dielectric integrity under demanding conditions. The fuse block's Class H/K rating allows for versatile use across a range of industrial applications, providing reliable overcurrent protection in high-voltage environments.
  • 200A, 1-pole Class H/K fuse block for 600VAC/600VDC applications
  • Copper box side clip connectors for 350kcmil to #6 AWG copper wire only
  • Phenolic insulator with dielectric strength >2500V
  • UL-listed (E52283) and CSA-certified (Class 6225, File 32169)
  • Recommended mounting torque: 275 in-lb with #10 (.190" dia.) screws

Specifications

AC Voltage Rating
600 V
Amperage Rating
200 A
Brand Name
Mersen
Class
Class H/K
Connection
Box Side-Clip
Connection Type
Box Side Clip, Screw, Pressure Plate, Stud
Current Rating
200A
DC Voltage Rating
600 V
Material
Glass Filled Polycarbonate
Material
Copper, Glass-Filled Polycarbonate (GFPC), Phenolic
Maximum Operating Temperature
80 C
Mounting
Direct Screw Mount
Number Of Poles
1
Phase
1
Poles
1-pole
Series
Class H/K
Size
10.5 x 3 x 2.9 in
Size
266.7 x 76.2 x 73.66 mm
Standard
All fuse blocks meet the requirements of UL 4248 UL listed, guide IZLT, File E52283 UL recognized component guide IZLT2, file E52283 CSA certified class 6225, File 32169
Type
UL/CSA Fuse Bases
Voltage Rating
600 VAC
Package Dimensions (L x W x H)
10.5 in x 3 in x 2.9 in
Package Dimensions (L x W x H)
266.7 mm x 76.2 mm x 73.66 mm
Package Weight (Imperial)
3.000 lb
Package Weight (Metric)
1.361 kg
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Frequently Asked Questions about Mersen

What industries and applications are Mersen products used for?

Mersen products are used across diverse industrial sectors including solar power, electric vehicles, buildings/construction, industrial automation, power distribution, HVAC, elevators, telecommunications, and specialty manufacturing. Key application areas include circuit protection, surge protection, battery module protection, electrical safety systems, and power management for residential, commercial, and utility-scale installations.

What are the main product lines offered by Mersen?

Mersen offers five primary electrical power product lines: IEC and UL/CSA Fuses and Fusegear, Surge Protection, Low Voltage Disconnect Switches, Power Distribution Blocks, and Engineered Solutions. Their comprehensive range includes specialized components like high-speed fuses, modular fuse holders, surge arresters, and custom-engineered electrical protection systems for industrial and power management applications.

What are the key features of Mersen products?

Mersen products feature advanced electrical protection and power management solutions with key characteristics including finger-safe design, compact modularity, and high-performance safety features. Their product lines span electrical power components like fuses, surge protection, power distribution blocks, and specialized solutions for industrial, solar, and building applications. Critical features include UL/CSA approvals, high short-circuit current ratings, and innovative technologies like the Fuse Control™ program that minimize electrical risks and optimize system performance.

What environmental ratings do Mersen products have?

Mersen products meet rigorous environmental ratings across multiple standards, including UL 508A Type 1, 2, 3, 4, 4X, 12, and 13, CSA Type 1, 2, 3, 4, 4X, 12, and 13, and NEMA Type 1, 2, 3, 4, 4X, 12, and 13. They feature IEC 60529 IP66 protection, with enhanced UV inhibitors for outdoor weathering and operating temperatures ranging from -40°C to 130°C (-40°F to 266°F). These ratings ensure superior protection in wet, corrosive, and challenging industrial environments.

What accessories are available for Mersen products?

Mersen offers multiple accessories for their fuse blocks and systems, including safety pullers (DFC3M and DFC3LP), DIN-rail adapters (DRM), bus bars, auxiliary contacts, and specialized mounting hardware. Key accessories include the DFC3M safety puller for 1-1/2" x 13/32" midget or Class CC fuses, the DRM adapter for mounting 303 series fuse blocks on DIN-rail, and UltraSafe fuse module accessories like bus bars and auxiliary contacts that enable module interconnection and monitoring.

How are Mersen products typically installed?

Mersen products are typically installed in electrical distribution systems, control panels, and industrial automation environments using multiple mounting options. These include service entrance panel mounting, distribution panel installation, control panel DIN rail mounting, and custom engineered solutions like Fused Coordination Panelboards. Installation depends on the specific product type, such as fuses, surge protective devices, or switches, and is designed to provide electrical protection and circuit safety in various industrial and commercial applications.

What certifications and standards do Mersen products comply with?

Mersen products are certified to multiple international standards, including UL (Underwriters Laboratories), CSA (Canadian Standards Association), CCC (China Compulsory Certification), and EAC (Eurasian Conformity). Our products meet rigorous safety and performance standards for industrial applications across North America, China, Russia, and other global markets, ensuring compliance and reliability in electrical power and advanced materials solutions.

What technical support does Mersen offer?

Mersen provides comprehensive technical support through multiple channels, including technical experts located in your time zone who can assist with product selection, application guidance, and troubleshooting. Their Fuse Control™ program offers a free Fuse Inventory Audit & Analysis, and customers can access technical resources through their sales representatives and online platform ep.mersen.com.